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    <title>Document</title>
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    <script>
      function getRow(rowIndex) {
        let arr = Array(rowIndex + 1).fill(0)
          arr[0]=1
          for (let i = 1; i <= rowIndex; i++) {
            for (let j =i; j >= 1; j--) {
               arr[j] = arr[j] + arr[j - 1]
            }
          }
          return arr
      }
      console.log(getRow(5))
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